Loudspeaker unit



FIG. 1 is a front view of a loudspeaker unit showing our new design;

FIG. 2 is an end view thereof, the opposite end being identical;

FIG. 3 is a bottom view thereof, the top plan being identical;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for a loudspeaker unit, as shown and described. 